{"id":23271,"date":"2024-03-13T01:35:11","date_gmt":"2024-03-13T01:35:11","guid":{"rendered":"https:\/\/www.taosdata.com\/?p=23271"},"modified":"2024-03-13T01:35:14","modified_gmt":"2024-03-13T01:35:14","slug":"tdengine-3-2-3-0-%e9%9b%86%e6%88%90%e8%8b%b1%e7%89%b9%e5%b0%94-avx512%ef%bc%81%e5%bf%ab%e6%9d%a5%e7%9c%8b%e7%9c%8b%e4%b8%ba%e4%bd%a0%e5%a2%9e%e6%b7%bb%e4%ba%86%e5%93%aa%e4%ba%9b%e5%8a%a9%e5%8a%9b","status":"publish","type":"post","link":"https:\/\/www.taosdata.com\/tdengine-engineering\/23271.html","title":{"rendered":"TDengine 3.2.3.0 \u96c6\u6210\u82f1\u7279\u5c14 AVX512\uff01\u5feb\u6765\u770b\u770b\u4e3a\u4f60\u589e\u6dfb\u4e86\u54ea\u4e9b\u52a9\u529b"},"content":{"rendered":"\n<p>\u5728\u5f53\u4eca\u7684 IoT \u548c\u667a\u80fd\u5236\u9020\u9886\u57df\uff0c\u6d77\u91cf\u65f6\u5e8f\u6570\u636e\u6301\u7eed\u4ea7\u751f\uff0c\u5bf9\u4e8e\u8fd9\u4e9b\u6570\u636e\u7684\u5b9e\u65f6\u5b58\u50a8\u3001\u9ad8\u6548\u67e5\u8be2\u548c\u5206\u6790\u5df2\u7ecf\u6210\u4e3a<a href=\"https:\/\/www.taosdata.com\/\" data-internallinksmanager029f6b8e52c=\"2\" title=\"\u65f6\u5e8f\u6570\u636e\u5e93\" target=\"_blank\" rel=\"noopener\">\u65f6\u5e8f\u6570\u636e\u5e93<\/a>\uff08<a href=\"https:\/\/www.taosdata.com\/time-series-database\" data-internallinksmanager029f6b8e52c=\"9\" title=\"Time Series DataBase\" target=\"_blank\" rel=\"noopener\">Time Series Database<\/a>\uff0c<a href=\"https:\/\/www.taosdata.com\/tsdb\" data-internallinksmanager029f6b8e52c=\"8\" title=\"TSDB\" target=\"_blank\" rel=\"noopener\">TSDB<\/a>\uff09\u7684\u6838\u5fc3\u7ade\u4e89\u529b\u3002\u4f5c\u4e3a\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u65f6\u5e8f\u6570\u636e\u5e93\uff0c<a href=\"https:\/\/www.taosdata.com\/\" data-internallinksmanager029f6b8e52c=\"1\" title=\"TDengine\" target=\"_blank\" rel=\"noopener\">TDengine<\/a> \u4e0d\u4ec5\u91c7\u7528\u4e86\u5148\u8fdb\u6570\u636e\u5904\u7406\u7b97\u6cd5\uff0c\u8fd8\u5728 <a href=\"https:\/\/www.taosdata.com\/tdengine-engineering\/23240.html\">3.2.3.0 \u7248\u672c<\/a>\u5f15\u5165\u4e86\u82f1\u7279\u5c14\u00ae AVX512 \u9ad8\u7ea7\u5411\u91cf\u6269\u5c55\u6307\u4ee4\u96c6\uff0c\u5b9e\u73b0\u5e76\u884c\u5904\u7406\u6570\u636e\uff0c\u4ea7\u54c1\u67e5\u8be2\u6027\u80fd\u83b7\u5f97\u4e86\u8fdb\u4e00\u6b65\u63d0\u5347\u3002\u672c\u7bc7\u6587\u7ae0\u5c06\u6df1\u5165\u4ecb\u7ecd TDengine \u4e0e AVX512 \u96c6\u6210\u7684\u4f18\u5316\u5de5\u4f5c\u3002<\/p>\n\n\n\n<h3><strong>TDengine \u4e0e AVX-512 \u96c6\u6210\u539f\u7406<\/strong><\/h3>\n\n\n\n<p>\u4f5c\u4e3a\u4e00\u79cd\u5355\u6307\u4ee4\u591a\u6570\u636e\uff08Single Instruction Multiple Data\uff0cSIMD\uff09\u6307\u4ee4\u96c6\uff0c\u82f1\u7279\u5c14\u00ae AVX-512 \u5728\u5bc6\u96c6\u578b\u8ba1\u7b97\u8d1f\u8f7d\u4e2d\u6709\u7740\u5f97\u5929\u72ec\u539a\u7684\u4f18\u52bf\u3002\u5f97\u76ca\u4e8e\u5176 512 \u4f4d\u7684\u5bc4\u5b58\u5668\u5bbd\u5ea6\u548c\u4e24\u4e2a 512 \u4f4d\u7684\u878d\u5408\u4e58\u52a0\uff08Fused Multiply Add\uff0cFMA\uff09\u5355\u5143\uff0c\u8be5\u6307\u4ee4\u96c6\u80fd\u5e76\u884c\u6267\u884c 32 \u6b21\u53cc\u7cbe\u5ea6\u300164 \u6b21\u5355\u7cbe\u5ea6\u6d6e\u70b9\u8fd0\u7b97\uff0c\u6216\u64cd\u4f5c 8 \u4e2a 64 \u4f4d\u548c 16 \u4e2a 32 \u4f4d\u6574\u6570\uff0c\u6781\u5927\u5730\u63d0\u5347\u4e86\u6570\u636e\u7684\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"370\" src=\"https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/1-3-1024x370.png\" alt=\"- TDengine Database \u65f6\u5e8f\u6570\u636e\u5e93\" class=\"wp-image-23272\" srcset=\"https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/1-3-1024x370.png 1024w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/1-3-300x108.png 300w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/1-3-768x277.png 768w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/1-3.png 1086w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"- TDengine Database \u65f6\u5e8f\u6570\u636e\u5e93\"><\/figure><\/div>\n\n\n<p><\/p>\n\n\n\n<p>\u65f6\u5e8f\u6570\u636e\u4e2d\u5b58\u5728\u5927\u91cf\u76f8\u4f3c\u6570\u636e\uff0c\u800c TDengine \u5bf9\u65f6\u5e8f\u6570\u636e\u7684\u5904\u7406\u6d41\u7a0b\u662f\u4e00\u81f4\u7684\u3002\u5bf9\u4e8e\u8fd9\u4e9b\u65e0\u524d\u540e\u4f9d\u8d56\u6027\u7684<a href=\"https:\/\/www.taosdata.com\/\" data-internallinksmanager029f6b8e52c=\"5\" title=\"\u65f6\u5e8f\u6570\u636e\" target=\"_blank\" rel=\"noopener\">\u65f6\u5e8f\u6570\u636e<\/a>\uff0c\u91c7\u7528 AVX512 \u5e76\u884c\u5904\u7406\u6570\u636e\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u7cfb\u7edf\u6027\u80fd\u3002\u7279\u522b\u662f\u5728 TDengine \u8fdb\u884c\u6570\u636e\u5e73\u5747\u503c\u67e5\u8be2\u65f6\uff0c\u7531\u4e8e\u7b26\u5408\u6570\u636e\u5e76\u884c\u5316\u7279\u70b9\uff0c\u5f15\u5165 AVX512 \u6280\u672f\u53ef\u6709\u6548\u63d0\u5347\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u8282\u7701\u6570\u636e\u5b58\u50a8\u7a7a\u95f4\uff0cTDengine \u5728\u6570\u636e\u5b58\u50a8\u524d\u4f1a\u8fdb\u884c\u7f16\u7801\u5904\u7406\uff0c\u53bb\u9664\u6570\u636e\u4e2d\u7684\u5197\u4f59\uff0c\u5e76\u8fdb\u884c\u538b\u7f29\uff0c\u4ece\u800c\u4f7f\u6700\u7ec8\u5b58\u50a8\u7684\u6570\u636e\u5360\u7528\u7a7a\u95f4\u5927\u5927\u51cf\u5c11\u3002\u800c\u6570\u636e\u5e73\u5747\u503c\u7684\u67e5\u8be2\u8fc7\u7a0b\u5219\u662f\u76f8\u53cd\u7684\uff0c\u9700\u8981\u5bf9\u5b58\u50a8\u7684\u6570\u636e\u8fdb\u884c\u89e3\u7801\u548c\u8ba1\u7b97\u3002\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"926\" height=\"613\" src=\"https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/2-2.png\" alt=\"- TDengine Database \u65f6\u5e8f\u6570\u636e\u5e93\" class=\"wp-image-23273\" srcset=\"https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/2-2.png 926w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/2-2-300x199.png 300w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/2-2-768x508.png 768w\" sizes=\"(max-width: 926px) 100vw, 926px\" title=\"- TDengine Database \u65f6\u5e8f\u6570\u636e\u5e93\"><\/figure><\/div>\n\n\n<p><\/p>\n\n\n\n<p>\u5176\u4e2d\u7b97\u6cd5 Simple8B\u3001ZigZag\u3001Delta of Delta \u53ef\u4ee5\u901a\u8fc7 AVX512 \u8fdb\u884c\u4f18\u5316\u3002<\/p>\n\n\n\n<ul>\n<li><strong>Simple8B \u7684 AVX512 \u4f18\u5316<\/strong><\/li>\n<\/ul>\n\n\n\n<p>\u5982\u679c\u8981\u5c06\u76f8\u540c\u957f\u5ea6\u7684\u6570\u636e\u4f7f\u7528 Simple8B \u5b58\u50a8\u5728\u4e00\u4e2a 64bit \u7a7a\u95f4\u4e2d\uff0c\u4f8b\u5982\u6bcf\u4e2a\u6709\u6548\u6570\u636e\u5360\u7528 3bit\uff0c\u5728 64bit \u5185\uff0c\u7d22\u5f15\u5360\u7528 4bit\uff0c\u5269\u4e0b\u7684 60bit \u53ef\u4ee5\u5b58\u50a8 20 \u4e2a 3bit \u7684\u6709\u6548\u6570\u636e\u3002\u5728\u89e3\u7801\u8fc7\u7a0b\u4e2d\uff0c\u4f20\u7edf\u7684\u65b9\u6cd5\u662f\u5c06\u6bcf\u4e2a\u6709\u6548\u7684 3bit \u6570\u636e\u9010\u4e2a\u52a0\u8f7d\u5230 32bit \u53d8\u91cf\u4e2d\uff0c\u7136\u540e\u8fdb\u884c\u5904\u7406\uff0c\u8fd9\u5c06\u9700\u8981\u8fdb\u884c 20 \u6b21\u5904\u7406\u3002<\/p>\n\n\n\n<p>\u800c\u4f7f\u7528 AVX512 \u6307\u4ee4\uff0c\u53ef\u4ee5\u4e00\u6b21\u5e76\u884c\u5c06 8 \u4e2a 3bit \u7684\u6570\u636e\u53d8\u6362\u6210 32bit \u7684\u6570\u636e\uff0c\u8fd9\u6837\u6211\u4eec\u7528\u5f88\u5c11\u7684\u6b21\u6570\u5c31\u53ef\u4ee5\u5904\u7406\u5b8c\u6240\u6709\u6570\u636e\uff0c\u5927\u5927\u63d0\u5347\u4e86\u7cfb\u7edf\u6027\u80fd\u3002\u5982\u4e0b\u56fe\uff0cpayload \u662f 64bit \u7684 simple8B \u6570\u636e\uff0c\u4f7f\u7528 AVX512 \u6307\u4ee4\uff0c\u901a\u8fc7\u5e76\u884c\u540c\u6b65\u79fb\u4f4d\u548c\u63a9\u7801\u7684\u65b9\u5f0f\uff0c\u4e00\u6b21\u63d0\u53d6\u51fa 8 \u4e2a\u6709\u6548\u6570\u636e\uff0c\u5e76\u88c5\u8f7d\u5728 512bit \u7684\u5bc4\u5b58\u5668\u91cc\uff0832bit x 8\uff09\uff0c\u4e3a ZigZag \u7b97\u6cd5\u63d0\u4f9b\u6570\u636e\u8f93\u5165\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"238\" src=\"https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/3-2-1024x238.png\" alt=\"- TDengine Database \u65f6\u5e8f\u6570\u636e\u5e93\" class=\"wp-image-23274\" srcset=\"https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/3-2-1024x238.png 1024w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/3-2-300x70.png 300w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/3-2-768x179.png 768w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/3-2.png 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"- TDengine Database \u65f6\u5e8f\u6570\u636e\u5e93\"><\/figure><\/div>\n\n\n<p><\/p>\n\n\n\n<ul>\n<li><strong>ZigZag \u7b97\u6cd5\u7684 AVX512 \u4f18\u5316<\/strong><\/li>\n<\/ul>\n\n\n\n<p>\u901a\u8fc7 AVX512 \u7684\u6307\u4ee4\uff0c\u66ff\u4ee3\u4e86\u4e4b\u524d\u7684 8 \u6b21\u76f8\u540c\u7684\u5faa\u73af\u64cd\u4f5c\uff0c\u5b9e\u73b0\u4e86\u4e00\u6b21\u5e76\u884c\u5904\u7406 8 \u4e2a\u6570\u636e\uff0c\u5229\u7528\u51cf\u6cd5\u548c\u79fb\u4f4d\u5f02\u6216\u64cd\u4f5c\uff0c\u5c06\u6570\u636e\u8fd8\u539f\u6210 ZigZag \u7f16\u7801\u524d\u7684\u6570\u503c\u3002\u5728\u4f18\u5316\u540e\uff0c\u53ea\u7528\u4e86\u5f88\u5c11\u7684 AVX512 \u6307\u4ee4\uff0c\u5c31\u5b9e\u73b0\u4e86\u5faa\u73af\u591a\u6b21\u624d\u80fd\u83b7\u5f97\u7684\u7ed3\u679c\uff0c\u6781\u5927\u7684\u51cf\u5c11\u4e86\u6307\u4ee4\u6570\uff0c\u63d0\u5347\u4e86\u7cfb\u7edf\u7684\u6027\u80fd\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"186\" src=\"https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/4-2-1024x186.png\" alt=\"- TDengine Database \u65f6\u5e8f\u6570\u636e\u5e93\" class=\"wp-image-23275\" srcset=\"https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/4-2-1024x186.png 1024w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/4-2-300x55.png 300w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/4-2-768x140.png 768w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/4-2.png 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"- TDengine Database \u65f6\u5e8f\u6570\u636e\u5e93\"><\/figure><\/div>\n\n\n<p><\/p>\n\n\n\n<h3><strong>AVX512 \u7684\u7f16\u8bd1\u73af\u5883\u548c\u8fd0\u884c\u73af\u5883<\/strong><\/h3>\n\n\n\n<p>\u4e3a\u4e86\u5145\u5206\u5229\u7528 AVX512 \u6307\u4ee4\u96c6\uff0c\u5efa\u8bae\u4f7f\u7528 gcc \u7248\u672c 9 \u4ee5\u4e0a\u7684\u7f16\u8bd1\u5668\u8fdb\u884c\u7f16\u8bd1\uff0c\u4ee5\u83b7\u5f97\u66f4\u5b8c\u5584\u7684 AVX512 \u6307\u4ee4\u652f\u6301\u3002\u5728\u8fd0\u884c\u65f6\uff0c\u5e94\u68c0\u67e5 CPU \u662f\u5426\u652f\u6301 AVX512 \u6307\u4ee4\uff0c\u53ea\u6709\u5728\u652f\u6301 AVX512 \u7684 CPU \u4e0a\u8fd0\u884c AVX512 \u6307\u4ee4\uff0c\u624d\u80fd\u505a\u5230\u548c\u5176\u4ed6\u975e AVX512 \u7684 CPU \u7684\u4ee3\u7801\u517c\u5bb9\u3002<\/p>\n\n\n\n<p>\u603b\u800c\u8a00\u4e4b\uff0c\u901a\u8fc7\u5229\u7528\u82f1\u7279\u5c14\u00ae AVX512 \u9ad8\u7ea7\u5411\u91cf\u6269\u5c55\u6307\u4ee4\uff0cTDengine \u6210\u529f\u4f18\u5316\u4e86\u6570\u636e\u5904\u7406\u7b97\u6cd5\uff0c\u63d0\u5347\u4e86\u65f6\u5e8f\u6570\u636e\u5e93\u7684\u6027\u80fd\u3002\u7279\u522b\u662f\u9488\u5bf9 Simple8B \u548c ZigZag \u7b97\u6cd5\u7684\u4f18\u5316\uff0c\u8ba9\u65f6\u5e8f\u6570\u636e\u7684\u5904\u7406\u5f97\u4ee5\u5b9e\u73b0\u66f4\u9ad8\u6548\u7684\u5e76\u884c\u8ba1\u7b97\uff0c\u901a\u8fc7\u4e00\u6b21\u6027\u5904\u7406\u591a\u4e2a\u6570\u636e\uff0c\u51cf\u5c11\u4e86\u6307\u4ee4\u6570\uff0c\u663e\u8457\u63d0\u5347\u4e86\u7cfb\u7edf\u7684\u6027\u80fd\u8868\u73b0\u3002<\/p>\n\n\n\n<p>\u5f00\u542f AVX512 \u6307\u4ee4\u96c6\u4f18\u5316\u4ee5\u540e\uff0c\u5728 <a href=\"https:\/\/www.taosdata.com\/tdengine-engineering\/23240.html\">TDengine \u65b0\u7248\u672c 3.2.3.0<\/a> \u4e0a\uff0c\u89e3\u7801\u6574\u6570\u7c7b\u578b\u6570\u636e\u7684\u6027\u80fd\u662f\u8f6f\u4ef6\u89e3\u7801\u6027\u80fd\u7684 1.82 \u500d\uff0c\u662f AVX2 \u6307\u4ee4\u96c6\u89e3\u7801\u6027\u80fd\u7684 1.28 \u500d\u3002\u8fd9\u4e9b\u4f18\u5316\u63aa\u65bd\u4e5f\u8ba9 TDengine \u5728\u5904\u7406\u6d77\u91cf\u6570\u636e\u7684\u67e5\u8be2\u548c\u5206\u6790\u8fc7\u7a0b\u4e2d\u66f4\u52a0\u9ad8\u6548\uff0c\u4e3a\u5b9e\u65f6\u5e94\u7528\u573a\u666f\u63d0\u4f9b\u4e86\u66f4\u5f3a\u5927\u7684\u652f\u6301\u3002<\/p>\n\n\n\n<p>\u6ce8\uff1aAVX\u6307\u4ee4\u96c6\u652f\u6301\u7684\u5f00\u542f\uff0c\u9700\u8981\u7528\u6237\u81ea\u5df1\u7f16\u8bd1\u4ee3\u7801\u5e76\u6253\u5f00\u914d\u7f6e\u5f00\u5173\u3002\u5177\u4f53\u64cd\u4f5c\u53ef\u4ee5\u8054\u7cfb TDengine \u5b98\u65b9\u56e2\u961f\u3002<\/p>\n\n\n\n<p><strong>\u7279\u522b\u9e23\u8c22\uff1a<\/strong>\u5728\u672c\u6b21 TDengine \u4e0e AVX512 \u7684\u4f18\u5316\u96c6\u6210\u5de5\u4f5c\u4e2d\uff0c\u82f1\u7279\u5c14\u6570\u636e\u4e2d\u5fc3\u4e0e\u4eba\u5de5\u667a\u80fd\u4e8b\u4e1a\u90e8\u7684\u9ad8\u7ea7\u8f6f\u4ef6\u67b6\u6784\u5e08\u848b\u9534\uff0c\u51ed\u501f\u4e13\u4e1a\u77e5\u8bc6\u548c\u6280\u672f\u80fd\u529b\uff0c\u79ef\u6781\u63a8\u52a8\u7740\u4f18\u5316\u5de5\u4f5c\u7684\u8fdb\u5c55\uff0c\u4e3a TDengine \u7684\u53d1\u5c55\u8d21\u732e\u7740\u91cd\u8981\u7684\u529b\u91cf\u3002<\/p>\n\n\n\n<p>PR \u94fe\u63a5\uff1a<a href=\"https:\/\/github.com\/taosdata\/TDengine\/pull\/24682\" rel=\"nofollow noopener\" target=\"_blank\">https:\/\/github.com\/taosdata\/TDengine\/pull\/24682<\/a><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"768\" src=\"https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/5-1-1024x768.jpeg\" alt=\"- TDengine Database \u65f6\u5e8f\u6570\u636e\u5e93\" class=\"wp-image-23276\" srcset=\"https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/5-1-1024x768.jpeg 1024w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/5-1-300x225.jpeg 300w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/5-1-768x576.jpeg 768w, https:\/\/www.taosdata.com\/wp-content\/uploads\/2024\/03\/5-1.jpeg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" title=\"- TDengine Database \u65f6\u5e8f\u6570\u636e\u5e93\"><\/figure><\/div>","protected":false},"excerpt":{"rendered":"<p>TDengine \u4e0d\u4ec5\u91c7\u7528\u4e86\u5148\u8fdb\u6570\u636e\u5904\u7406\u7b97\u6cd5\uff0c\u8fd8\u5728 3.2.3.0 \u7248\u672c\u5f15\u5165\u4e86\u82f1\u7279\u5c14\u00ae AVX512 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